Skip to content

Cloudflare Docs

Products Learning Status Support Log in

GitHub X YouTube

Select theme

Overview
Get started
Examples
Tutorials
Demos and architectures
Playground
Configuration
- Bindings ↗
- Compatibility dates
- Cron Triggers
- Environment variables
- Integrations
- Multipart upload metadata
- Page Rules
- Preview URLs Beta
- Routes and domains
- Secrets
- Smart Placement Beta
- Versions & Deployments
- Workers Sites
CI/CD
- Overview
- Builds Beta
- External CI/CD
Runtime APIs
- Overview
- Bindings (env)
- Cache
- Console
- Context (ctx)
- Encoding
- EventSource
- Fetch
- Handlers
- Headers
- HTMLRewriter
- Node.js compatibility
- Performance and timers
- Remote-procedure call (RPC)
- Request
- Response
- Streams
- TCP sockets
- Web Crypto
- Web standards
- WebAssembly (Wasm)
  - Overview
  - Wasm in JavaScript
- WebSockets
Static Assets Beta
Frameworks Beta
- Overview
- Framework guides
Databases
- Connect to databases
- Analytics Engine ↗
- Vectorize (vector database) ↗
- Cloudflare D1 ↗
- Hyperdrive ↗
- Database Integrations
Testing
- Overview
- Local development
- Unit testing
- Integration testing
- Vitest integration
Observability
- Logs
- DevTools
- Errors and exceptions
- Integrations
  - Baselime integration Maintenance Mode
  - Sentry Beta
- Metrics and analytics
- Source maps and stack traces Beta
Wrangler
- Overview
- Install/Update Wrangler
- API
- Bundling
- Commands
- Configuration
- Custom builds
- Deprecations
- Environments
- Migrations
  - Migrate from Wrangler v1 to v2
    
    1. Migrate webpack projects
    2. Update to Wrangler v2
    
    Wrangler v1 (legacy)
    
    Overview
    Install / Update
    Authentication
    Commands
    Configuration
    Webpack
  - Migrate from Wrangler v2 to v3
- System environment variables
Languages
- Overview
- JavaScript
  - Overview
  - Examples ↗
- TypeScript
  - Overview
  - Examples ↗
- Python
- Rust
  - Overview Beta
  - Supported crates
Platform
Reference
Glossary
AI Assistant ↗

Products Learning Status Support Log in

GitHub X YouTube

Select theme

On this page

Overview

On this page

Overview

Was this helpful?

What did you like?

Accurate

Easy to understand

Solved my problem

Helped me decide to use the product

Other

What went wrong?

Hard to understand

Incorrect information

Missing the information

Other

Thank you for helping improve Cloudflare's documentation!

Products
Workers
Wrangler
Migrations

Migrations

Migrate from Wrangler v1 to v2
Migrate from Wrangler v2 to v3

Was this helpful?

What did you like?

Accurate

Easy to understand

Solved my problem

Helped me decide to use the product

Other

What went wrong?

Hard to understand

Incorrect information

Missing the information

Other

Thank you for helping improve Cloudflare's documentation!

Cloudflare Dashboard Discord Community Learning Center Support Portal